Polini Performance Transmission Kit for Piaggio 50cc 4 Stroke Scooters with the iGET 3 Valve Engine. This kit is designed to improve acceleration on stock, untuned scooters.
Includes Variator, Ramp Plate, Slides, Variator Boss, 19x15.5 Roller Weights in 4.3g and 7g, Clutch Springs and Torque Spring. Fits the following 4 stroke models: